What platforms does AltIndex support?

AltIndex is available on Web App, iOS and Android.

What are the limitations of AltIndex?

The advertised 61% win rate across AI picks is a historical figure; it says nothing about future results or drawdowns. No brokerage integration or trading execution: research happens here, trades happen elsewhere. Scores lean heavily on social and attention data, which can amplify noise on meme stocks and small caps.

AltIndex

Name: AltIndex
Author: AltIndex

Alternative data and AI scoring for everyday stock research

Beginner

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Screenshot of AltIndex, Alternative data and AI scoring for everyday stock research

What is AltIndex?

AltIndex is a stocks tool. AltIndex blends alternative data (Reddit sentiment, web traffic, app downloads, hiring trends, insider activity) into per-stock AI scores, portfolio scoring from a brokerage screenshot, plain English portfolio Q&A and customizable real-time alerts on web, iOS and Android.

AltIndex is an alternative data platform for retail investors. It continuously pulls company signals from across the internet (Reddit chatter, web traffic, app downloads, hiring activity, insider transactions and news) and folds them into a single dashboard, with a 0 to 100 AI score attached to each stock. The pitch is straightforward: the kind of data hedge funds have long paid for, packaged so a self-directed investor can read it in a few minutes. The portfolio side is the most distinctive part. Instead of broker connections or API keys, AltIndex asks for a screenshot of a brokerage account, reads the positions automatically and scores each holding on its 0 to 100 scale before rolling them into one portfolio score. That makes it easy to see which names score below 60 and drag the total down. An in-app agent answers plain English questions about those holdings, for example comparing two positions on fundamentals or asking for the bear case on a specific ticker, and grounds its answers in AltIndex data rather than generated figures. Around that core sit focused research pages: trending Reddit stocks, real-time Reddit alerts, congressional trading, a fear and greed index, an earnings calendar, penny stocks and short squeeze candidates. Alerts can be configured for social spikes, sentiment shifts, insider activity and price moves, with push notifications on iOS and Android while the web app handles deeper research. Watchlists and portfolios sync across devices. It suits retail investors, swing traders and prop traders who want sentiment and attention data alongside the numbers, and who prefer a curated score to building their own screens. It is not a trading terminal. There is no order execution, no brokerage linking and no options chain analysis, and the company states a 61% win rate across its AI picks, which is a historical claim rather than a guarantee. Readers who only want fundamentals will find the emphasis on social and web signals unnecessary.

How do you use AltIndex?

1Look up a ticker without signing up
Type any symbol into the search box on the homepage to see its AI score and signal summary. No account is required, which makes it the fastest way to judge whether the data is useful to you.
2Open a signal page to study a theme
Start with the pages that match your style: Reddit stocks for retail chatter, congressional trading for disclosure flow, or short squeeze stocks for crowded shorts. Each page ranks names by its own signal rather than price alone.
3Score your portfolio from a screenshot
Create a free account, take a screenshot of your brokerage positions and upload it. AltIndex reads the holdings automatically and assigns each one a 0 to 100 score, turning them into a single portfolio score.
4Ask the AI analyst about your holdings
Use the chat to query your portfolio in plain English, for example the bear case on a ticker or which holding has the weakest insider signals. Answers draw on live scores, fundamentals and alternative data.
5Set alerts and install the mobile app
Configure alerts for Reddit spikes, sentiment shifts, insider trades and price moves. Install the iOS or Android app to receive push notifications and keep watchlists synced with the desktop dashboard.
6Check the leaderboard for reference
The Portfolio AI Score Leaderboard shows how other members' portfolios rank, which gives a rough benchmark for interpreting your own score.

Pros and cons

Pros

Pulls Reddit, web traffic, app download, hiring and insider signals into one readable score per stock.AI
Portfolio scoring works from a brokerage screenshot, so there is no account linking or credential sharing.AI
Focused research pages for Reddit stocks, congressional trading, short squeezes and an earnings calendar.AI
The AI analyst answers questions about your own holdings and cites AltIndex data rather than inventing figures.AI
Free tier lets you search any ticker without an account, and mobile alerts keep you in the loop.AI

Cons

The advertised 61% win rate across AI picks is a historical figure; it says nothing about future results or drawdowns.AI
No brokerage integration or trading execution: research happens here, trades happen elsewhere.AI
Scores lean heavily on social and attention data, which can amplify noise on meme stocks and small caps.AI
The custom AI portfolio agent uses your holdings for answers, and on-device data handling is not documented on the homepage.AI
Pricing tiers are not published on the homepage, so cost has to be checked inside the product before committing.AI

How much does AltIndex cost?

Free trial

The homepage promotes a free start with no credit card required and allows ticker searches without an account, but it does not publish how long full access lasts or which features sit behind a paywall.

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Support

User reviews on the homepage praise the customer service, but the site does not describe support channels, hours or response times.

Features

Per-stock AI scores from alternative data, portfolio scoring via brokerage screenshot, an AI analyst that answers questions about your holdings, real-time alerts across social, insider, sentiment and price signals, plus dedicated pages for Reddit stocks, congressional trading, fear and greed, earnings, penny stocks and short squeezes.

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Frequently asked questions about AltIndex

Does AltIndex offer a free trial?
The homepage promotes a free start with no credit card required and allows ticker searches without an account, but it does not publish how long full access lasts or which features sit behind a paywall.
How do you use AltIndex?
The walkthrough on this page covers 6 steps: 1. Look up a ticker without signing up 2. Open a signal page to study a theme 3. Score your portfolio from a screenshot 4. Ask the AI analyst about your holdings 5. Set alerts and install the mobile app 6. Check the leaderboard for reference.
What platforms does AltIndex support?
AltIndex is available on Web App, iOS and Android.
What are the limitations of AltIndex?
The advertised 61% win rate across AI picks is a historical figure; it says nothing about future results or drawdowns. No brokerage integration or trading execution: research happens here, trades happen elsewhere. Scores lean heavily on social and attention data, which can amplify noise on meme stocks and small caps.